Glossary - Toshiba TS 921 User Manual

Appendix

Glossary

3G/UMTS
Universal Mobile Telecommunications System. A third generation (3G)
mobile communication system.
DTMF Tone
Dial Tone Multi Frequency tones. The touch tones used for dialling. You
can use DTMF tones to operate digital phone systems such as answering
machines.
GPRS
General Packet Radio Service. A data transmission technique used for
GSM mobile phone networks. It allows you to send and receive data in
packets.
GSM
Global System for Mobile Communication. A wireless system for digital
mobile phones. GSM is the predominant system in Europe and Asia, and
is used in over 160 countries around the world.
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MMS
Multimedia Message Service. This service allows messages containing
data such as text, sounds, pictures and videos to be exchanged between
mobile phones.
PIN
Personal Identification Number. A number used for SIM card security. The
number is provided by your service provider. If the PIN code is incorrectly
entered three times in a row, the PIN code lock is set.
PIN2
Personal Identification Number. A number used for modifying Fixed
Dialling Numbers and other data saved to the SIM card. The number is
provided by your service provider. If the PIN2 code is incorrectly entered
three times in a row, the PIN2 code lock is set.
PUK/PUK2
Personal Unblocking Key. A number used to cancel the PIN/PIN2 lock. The
number is provided by your service provider. If the PUK/PUK2 code is
incorrectly entered ten times in a row, the PUK/PUK2 code lock is set. The
PUK/PUK2 lock cannot be cancelled without assistance. For details on
cancelling the lock, contact your service provider.
Appendix